﻿// The MIT License (MIT)
//
// Copyright (c) 2015-2018 Rasmus Mikkelsen
// Copyright (c) 2015-2018 eBay Software Foundation
// https://github.com/eventflow/EventFlow
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

using System;
using EventFlow.Extensions;
using EventFlow.ValueObjects;
using Newtonsoft.Json;

namespace EventFlow.Core.Caching
{
    [JsonConverter(typeof(SingleValueObjectConverter))]
    public class CacheKey : SingleValueObject<string>
    {
        public const int MaxLength = 256;

        public static CacheKey With(params string[] keys)
        {
            return new CacheKey(string.Join("-", keys));
        }

        public static CacheKey With(Type ownerType, params string[] keys)
        {
            return With($"{ownerType.GetCacheKey()}:{string.Join("-", keys)}");
        }

        public CacheKey(string value) : base(value)
        {
            if (string.IsNullOrEmpty(value))
                throw new ArgumentNullException(nameof(value));
            if (value.Length > MaxLength)
                throw new ArgumentOutOfRangeException(nameof(value), value, $"Cache keys can maximum be '{MaxLength}' in length");
        }
    }
}